siebenhaarmi76624
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MDT5_1_Ueberwachungssystem_G1
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Clean project for merge

tw
Tobias Wolz 1 year ago
parent
4381ae78f8
commit
c60a14b6ac
4 changed files with 29 additions and 135 deletions
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  1. 23
    48
      app/src/main/java/com/example/ueberwachungssystem/Detector/MicrophoneDetector.java
  2. 0
    61
      app/src/main/java/com/example/ueberwachungssystem/Detector/logger/Logger.java
  3. 6
    13
      app/src/main/java/com/example/ueberwachungssystem/MainActivity.java
  4. 0
    13
      app/src/main/res/layout/activity_main.xml

+ 23
- 48
app/src/main/java/com/example/ueberwachungssystem/Detector/MicrophoneDetector.java View File

@@ -10,6 +10,7 @@ import android.media.AudioFormat;
import android.media.AudioRecord;
import android.media.MediaRecorder;
import android.os.AsyncTask;
import android.util.Log;

import androidx.core.app.ActivityCompat;
import androidx.core.content.ContextCompat;
@@ -33,17 +34,11 @@ public class MicrophoneDetector extends Detector {
private AufnahmeTask aufnahmeTask;
public boolean armed = false;
public int Schwellwert_Alarm = 100;
GraphView graph;

Logger logger;
private Activity MainActivityForClass;

public MicrophoneDetector(Context context, Logger MainLogger, GraphView MainGraph) {
public MicrophoneDetector(Context context) {
super(context);
MainActivityForClass = (Activity) context;
logger = MainLogger; //Class uses the same logger as the MainActivity
logger.log(this.getClass().getSimpleName() + ".onCreate");
graph = MainGraph;

if (!istZugriffAufMikrofonErlaubt()) {
zugriffAufMikrofonAnfordern();
@@ -52,7 +47,6 @@ public class MicrophoneDetector extends Detector {

@Override
public void startDetection() {
logger.log(this.getClass().getSimpleName() + ".startDetection");

if (!istZugriffAufMikrofonErlaubt()) {
zugriffAufMikrofonAnfordern();
@@ -65,19 +59,17 @@ public class MicrophoneDetector extends Detector {

@Override
public void stopDetection() {
logger.log(this.getClass().getSimpleName() + ".stopDetection");
if (aufnahmeTask != null) {
aufnahmeTask.cancel(true);
// aufnahmeTask = null; // if aufnahmeTask = null, break in for loop would not work (Nullpointer Exception)
}
}

private boolean istZugriffAufMikrofonErlaubt() {
if (ContextCompat.checkSelfPermission(MainActivityForClass, android.Manifest.permission.RECORD_AUDIO) != PackageManager.PERMISSION_GRANTED) {
logger.log("Zugriff auf Mikrofon ist verboten.");
Log.d("0","Zugriff auf Mikrofon ist verboten.");
return false;
} else {
logger.log("Zugriff auf Mikrofon ist erlaubt.");
Log.d("0","Zugriff auf Mikrofon ist erlaubt.");
return true;
}
}
@@ -113,13 +105,8 @@ public class MicrophoneDetector extends Detector {

recorder = new AudioRecord(MediaRecorder.AudioSource.MIC, sampleRateInHz, channelConfig, audioFormat, pufferGroesseInBytes);

// textViewMinPufferGroesseInBytes.setText("" + minPufferGroesseInBytes);
// textViewPufferGroesseInBytes.setText("" + pufferGroesseInBytes);
// textViewAbtastrate.setText("" + recorder.getSampleRate());
// textViewAnzahlKanaele.setText("" + recorder.getChannelCount());

logger.log("Puffergroeße: "+ minPufferGroesseInBytes + " " + pufferGroesseInBytes);
logger.log("Recorder (SR, CH): "+ recorder.getSampleRate() + " " + recorder.getChannelCount());
Log.d("0","Puffergroeße: "+ minPufferGroesseInBytes + " " + pufferGroesseInBytes);
Log.d("0","Recorder (SR, CH): "+ recorder.getSampleRate() + " " + recorder.getChannelCount());

int anzahlBytesProAbtastwert;
String s;
@@ -139,7 +126,6 @@ public class MicrophoneDetector extends Detector {
default:
throw new IllegalArgumentException();
}
// textViewAudioFormat.setText(s);

switch (recorder.getChannelConfiguration()) {
case AudioFormat.CHANNEL_IN_MONO:
@@ -155,14 +141,12 @@ public class MicrophoneDetector extends Detector {
default:
throw new IllegalArgumentException();
}
// textViewKanalKonfiguration.setText(s);
logger.log("Konfiguration: "+ s);
Log.d("0","Konfiguration: "+ s);

int pufferGroesseInAnzahlAbtastwerten = pufferGroesseInBytes / anzahlBytesProAbtastwert;
int pufferGroesseInMillisekunden = 1000 * pufferGroesseInAnzahlAbtastwerten / recorder.getSampleRate();

// textViewPufferGroesseInAnzahlAbtastwerte.setText("" + pufferGroesseInAnzahlAbtastwerten);
// textViewPufferGroesseInMillisekunden.setText("" + pufferGroesseInMillisekunden);
}

@Override
@@ -178,7 +162,7 @@ public class MicrophoneDetector extends Detector {

//Kalibrierung
try {
Thread.sleep(3000);
Thread.sleep(3000); // Time to lay down the phone
} catch (InterruptedException e) {
e.printStackTrace();
}
@@ -195,20 +179,20 @@ public class MicrophoneDetector extends Detector {
}
kalibierWert = kalibierWert/i;

// __Part of FFT__
// Complex[] zeitSignal = new Complex[puffer.length];
// for (int j = 0; j < puffer.length; j++) {
// zeitSignal[j] = new Complex(puffer[j], 0);
// }
// Complex[] spektrum = FFT.fft(zeitSignal);
double[] spektrum = calculateFFT(puffer);
DataPoint AddPoint;
// double[] spektrum = calculateFFT(puffer);
// DataPoint AddPoint;
// LineGraphSeries<DataPoint> series = new LineGraphSeries<DataPoint>(new DataPoint[]{});
// for (i = 0; i < spektrum.length; i++) {
// AddPoint = new DataPoint(i, spektrum[i]);
// series.appendData(AddPoint, true, spektrum.length);
// }
// graph.addSeries(series);
// logger.log(spektrum.toString());

for (; ; ) {
if (aufnahmeTask.isCancelled()) {
@@ -217,15 +201,14 @@ public class MicrophoneDetector extends Detector {
int n = recorder.read(puffer, 0, puffer.length);
Verarbeitungsergebnis ergebnis = verarbeiten(puffer, n);
anzahlVerarbeitet += n;
// __Part of FFT__
// spektrum = calculateFFT(puffer);
// LineGraphSeries<DataPoint> newseries = new LineGraphSeries<DataPoint>(new DataPoint[]{});
// for (i = 0; i < spektrum.length; i++) {
// AddPoint = new DataPoint(i, spektrum[i]);
// newseries.appendData(AddPoint, true, spektrum.length);
// }

spektrum = calculateFFT(puffer);
LineGraphSeries<DataPoint> newseries = new LineGraphSeries<DataPoint>(new DataPoint[]{});
for (i = 0; i < spektrum.length; i++) {
AddPoint = new DataPoint(i, spektrum[i]);
newseries.appendData(AddPoint, true, spektrum.length);
}
graph.removeAllSeries();
graph.addSeries(newseries);
zaehlerZeitMessung++;
if (zaehlerZeitMessung == maxZaehlerZeitMessung) {
long time = System.currentTimeMillis();
@@ -242,7 +225,7 @@ public class MicrophoneDetector extends Detector {
publishProgress(ergebnis);

try {
Thread.sleep(100);
Thread.sleep(10);
} catch (InterruptedException e) {
e.printStackTrace();
}
@@ -265,7 +248,6 @@ public class MicrophoneDetector extends Detector {
for (int i = 0; i < n; i++) {
if (daten[i] > max) {
max = daten[i];
//max = 20 * log10(abs(daten[i]) / 32768);
}
}

@@ -282,21 +264,16 @@ public class MicrophoneDetector extends Detector {
@Override
protected void onProgressUpdate(Verarbeitungsergebnis... progress) {
super.onProgressUpdate(progress);
// textViewMaxAmp.setText("" + progress[0].maxAmp);
// textViewVerarbeitungsrate.setText("" + progress[0].verarbeitungsrate);
float maxAmpPrint = round(20*log10(abs(progress[0].maxAmp/1.0)));
float kalibierWertPrint = round(20*log10(abs(kalibierWert)));
logger.overwriteLastlog("VR, Max, Kal:" + progress[0].verarbeitungsrate + ", " + maxAmpPrint
Log.d("0","VR, Max, Kal:" + progress[0].verarbeitungsrate + ", " + maxAmpPrint
+ " dB, " + kalibierWertPrint + " dB");

if (progress[0].maxAmp >= Schwellwert_Alarm+kalibierWert && armed == true) {
armed = false;
detectionReport = new DetectionReport("Mic1", "Audio", maxAmpPrint);
//reportViolation("Mic1", "Audio", maxAmpPrint);
logger.log("");
logger.log("Alarm!");
logger.log(detectionReport.toString());
logger.log("");
reportViolation("Mic1", "Audio", maxAmpPrint);
Log.d("1",detectionReport.toString());
}
}
}
@@ -326,7 +303,6 @@ public class MicrophoneDetector extends Detector {
y = FFT.fft(complexSignal);

mMaxFFTSample = 0.0;
// mPeakPos = 0;
for(int i = 0; i < (mNumberOfFFTPoints/2); i++)
{
absSignal[i] = y[i].abs();
@@ -334,7 +310,6 @@ public class MicrophoneDetector extends Detector {
// if(absSignal[i] > mMaxFFTSample)
// {
// mMaxFFTSample = absSignal[i];
// // mPeakPos = i;
// }
}


+ 0
- 61
app/src/main/java/com/example/ueberwachungssystem/Detector/logger/Logger.java View File

@@ -1,61 +0,0 @@
package com.example.ueberwachungssystem.Detector.logger;

import android.util.Log;
import android.widget.TextView;

import java.io.PrintWriter;
import java.io.StringWriter;

public class Logger {
private TextView textView;
private StringBuffer sb = new StringBuffer();
private String tag;
private int lengthOfLastLog = 0;
private boolean overwrite = false;

public Logger(String tag, TextView textView, String logInitText) {
this.tag = tag;
this.textView = textView;
sb.append(logInitText);
}

public void log(String s) {
overwrite = false;
Log.d(tag, s);
sb.append(s).append("\n");
if (textView != null) {
textView.setText(sb.toString());
}
}

public void overwriteLastlog(String s) {
Log.d(tag, s);
lengthOfLastLog = s.length();
if (overwrite)
{
sb.setLength(sb.length() - (lengthOfLastLog + 1));
}
sb.append(s).append("\n");
overwrite = true;
if (textView != null) {
textView.setText(sb.toString());
}
}

public void log(Exception e) {
StringWriter sw = new StringWriter();
e.printStackTrace(new PrintWriter(sw));
log(sw.toString());
}

public void clearLog() {
sb.setLength(0);
if (textView != null) {
textView.setText("");
}
}

public String getLoggedText() {
return sb.toString();
}
}

+ 6
- 13
app/src/main/java/com/example/ueberwachungssystem/MainActivity.java View File

@@ -12,14 +12,10 @@ import android.widget.TextView;
import com.example.ueberwachungssystem.Detector.DetectionReport;
import com.example.ueberwachungssystem.Detector.Detector;
import com.example.ueberwachungssystem.Detector.MicrophoneDetector;
import com.example.ueberwachungssystem.Detector.logger.Logger;
import com.jjoe64.graphview.GraphView;


public class MainActivity extends AppCompatActivity {

Logger logger;
GraphView graph;
private TextView tv_log;
MicrophoneDetector Mic;
private Switch TglBtn_Mic;
@@ -28,15 +24,13 @@ public class MainActivity extends AppCompatActivity {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
tv_log = (TextView) findViewById(R.id.tv_log); //Set textview for showing logged content
logger = new Logger(this.getClass().getSimpleName(), tv_log, "");
logger.log(this.getClass().getSimpleName() + ".onCreate");
graph = (GraphView) findViewById(R.id.graph);
Mic = new MicrophoneDetector(this, logger, graph);
Log.d("Main",this.getClass().getSimpleName() + ".onCreate");
Mic = new MicrophoneDetector(this);
setupMic();
Mic.setOnDetectionListener(new Detector.OnDetectionListener() {
@Override
public void onDetection(@NonNull DetectionReport detectionReport) {
Log.d("Detect", "erkannt!");
Log.d("Main", "Detection erkannt!");
}
});

@@ -45,13 +39,13 @@ public class MainActivity extends AppCompatActivity {
@Override
public void onResume() {
super.onResume();
logger.log(this.getClass().getSimpleName() + ".onResume");
Log.d("Main",this.getClass().getSimpleName() + ".onResume");
}

@Override
public void onPause() {
super.onPause();
logger.log(this.getClass().getSimpleName() + ".onPause");
Log.d("Main",this.getClass().getSimpleName() + ".onPause");
}

private void setupMic() {
@@ -60,12 +54,11 @@ public class MainActivity extends AppCompatActivity {
@Override
public void onClick(View v) {
if (v == TglBtn_Mic) {
logger.log("onClick toggleButtonThread " + TglBtn_Mic.isChecked());
Log.d("Main","onClick toggleButtonThread " + TglBtn_Mic.isChecked());
if (TglBtn_Mic.isChecked()) {
Mic.startDetection();
} else {
Mic.stopDetection();
logger.clearLog();
}
}
}

+ 0
- 13
app/src/main/res/layout/activity_main.xml View File

@@ -11,7 +11,6 @@
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Log"
app:layout_constraintBottom_toTopOf="@+id/graph"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/TglBtn_Mic" />
@@ -24,16 +23,4 @@
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toTopOf="parent" />

<com.jjoe64.graphview.GraphView
android:id="@+id/graph"
android:layout_width="match_parent"
android:layout_height="200dip"
android:layout_marginStart="16dp"
android:layout_marginEnd="16dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.499" />

</androidx.constraintlayout.widget.ConstraintLayout>

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